docs: def all_cities():
    """
    Get a list of all Backpage city names.
  
    Returns:
      list of city names as Strings
    """
    cities = []
    fname = pkg_resources.resource_filename(__name__, 'resources/CityPops.csv')
    with open(fname, 'rU') as csvfile:
      reader = csv.reader(csvfile, delimiter = ',')
      for row in reader:
        cities.append(row[0])
    cities.sort()
    return cities